8. Emily Deschanel
Emily Deschanel has been a vegan since the age of 13, and she went vegan several years later. She even stayed on her vegetarian diet when she was pregnant! But that’s not all! Emily Deschanel is also a supporter of HSUS (Humane Society of the United States), Farm Sanctuary, and PCRM (Physicians Committee for Responsible Medicine), and she uses her celebrity to raise awareness!